/*
 * SPDX-License-Identifier: Apache-2.0
 *
 * The OpenSearch Contributors require contributions made to
 * this file be licensed under the Apache-2.0 license or a
 * compatible open source license.
 */

/*
 * Licensed to Elasticsearch under one or more contributor
 * license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright
 * ownership. Elasticsearch licenses this file to you under
 * the Apache License, Version 2.0 (the "License"); you may
 * not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

/*
 * Modifications Copyright OpenSearch Contributors. See
 * GitHub history for details.
 */

package org.opensearch.index.rankeval;

import org.opensearch.core.ParseField;
import org.opensearch.core.xcontent.NamedXContentRegistry;
import org.opensearch.plugins.spi.NamedXContentProvider;

import java.util.ArrayList;
import java.util.List;

public class RankEvalNamedXContentProvider implements NamedXContentProvider {

    @Override
    public List<NamedXContentRegistry.Entry> getNamedXContentParsers() {
        List<NamedXContentRegistry.Entry> namedXContent = new ArrayList<>();
        namedXContent.add(
            new NamedXContentRegistry.Entry(EvaluationMetric.class, new ParseField(PrecisionAtK.NAME), PrecisionAtK::fromXContent)
        );
        namedXContent.add(new NamedXContentRegistry.Entry(EvaluationMetric.class, new ParseField(RecallAtK.NAME), RecallAtK::fromXContent));
        namedXContent.add(
            new NamedXContentRegistry.Entry(
                EvaluationMetric.class,
                new ParseField(MeanReciprocalRank.NAME),
                MeanReciprocalRank::fromXContent
            )
        );
        namedXContent.add(
            new NamedXContentRegistry.Entry(
                EvaluationMetric.class,
                new ParseField(DiscountedCumulativeGain.NAME),
                DiscountedCumulativeGain::fromXContent
            )
        );
        namedXContent.add(
            new NamedXContentRegistry.Entry(
                EvaluationMetric.class,
                new ParseField(ExpectedReciprocalRank.NAME),
                ExpectedReciprocalRank::fromXContent
            )
        );

        namedXContent.add(
            new NamedXContentRegistry.Entry(MetricDetail.class, new ParseField(PrecisionAtK.NAME), PrecisionAtK.Detail::fromXContent)
        );
        namedXContent.add(
            new NamedXContentRegistry.Entry(MetricDetail.class, new ParseField(RecallAtK.NAME), RecallAtK.Detail::fromXContent)
        );
        namedXContent.add(
            new NamedXContentRegistry.Entry(
                MetricDetail.class,
                new ParseField(MeanReciprocalRank.NAME),
                MeanReciprocalRank.Detail::fromXContent
            )
        );
        namedXContent.add(
            new NamedXContentRegistry.Entry(
                MetricDetail.class,
                new ParseField(DiscountedCumulativeGain.NAME),
                DiscountedCumulativeGain.Detail::fromXContent
            )
        );
        namedXContent.add(
            new NamedXContentRegistry.Entry(
                MetricDetail.class,
                new ParseField(ExpectedReciprocalRank.NAME),
                ExpectedReciprocalRank.Detail::fromXContent
            )
        );
        return namedXContent;
    }
}
